setup buildx builder

Author: raphaelsolarski

.github/workflows/publish.yml

@@ -13,6 +13,13 @@ jobs:
           java-version: 11
           cache: sbt
       - uses: sbt/setup-sbt@v1
+      - name: Setup buildx builder
+        uses: docker/setup-buildx-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
+          config-inline: |
+            [worker.oci]
+              max-parallelism = 1
       - name: Login to Docker Hub
         uses: docker/login-action@v1
         with: